Lines Matching refs:pt1
192 CvPoint pt1, pt2;
195 CV_READ_EDGE( pt1, pt2, reader1 );
197 dx = pt2.x - pt1.x;
198 dy = pt2.y - pt1.y;
214 CvPoint pt1, pt2;
218 CV_READ_EDGE( pt1, pt2, reader1 );
220 dx = pt2.x - pt1.x;
221 dy = pt2.y - pt1.y;
242 int d1 = (pt3.y - pt1.y) * dx - (pt3.x - pt1.x) * dy;
243 int d2 = (pt4.y - pt1.y) * dx - (pt2.x - pt1.x) * dy;